part ofepitheliumgonadepithelium of gonadAn epithelium surrounding a gonad.EHDAA:4032EHDAA:5931FBbt:00004859NCIT:C32676UBERON:0004909UMLS:C1517534after reasoning this should subsume the more specific germinal epithelium classes. We include the fly structure here although it is not clear if the sheath is an epithelium or a multi-tissue structure that includes epithelium as partsgonad epitheliumgonadal epitheliumgonadal sheathuberonreproductive structure